Showing 381 - 400 results of 570 for search '"reinforced concrete"', query time: 0.06s Refine Results
  1. 381

    A Study on the Evaluation of Field Application of High-Fluidity Concrete Containing High Volume Fly Ash by Yun-Wang Choi, Man-Seok Park, Byung-Keol Choi, Sung-Rok Oh

    Published 2015-01-01
    “…In the recent concrete industry, high-fluidity concrete is being widely used for the pouring of dense reinforced concrete. Normally, in the case of high-fluidity concrete, it includes high binder contents, so it is necessary to replace part of the cement through admixtures such as fly ash to procure economic feasibility and durability. …”
    Get full text
    Article
  2. 382

    Numerical Investigation of Load-Carrying Capacity of GFRP-Reinforced Rectangular Concrete Members Using CDP Model in ABAQUS by Ali Raza, Qaiser uz Zaman Khan, Afaq Ahmad

    Published 2019-01-01
    “…The behavior of reinforced concrete was modelled using the concrete damaged plasticity (CDP) model, the behavior of steel bars was simulated as a bilinear elastoplastic material, and the GFRP bars were considered as a linear elastic material. …”
    Get full text
    Article
  3. 383

    Effect of Chlorides on Conductivity and Dielectric Constant in Hardened Cement Mortar: NDT for Durability Evaluation by Sunkook Kim, Joowon Kang, Sang-Hyo Lee, Yong Han Ahn

    Published 2016-01-01
    “…Dielectric constant and conductivity, the so-called EM properties (electromagnetic), are widely adopted for NDT (Nondestructive Technique) in order to detect damage or evaluate performance of concrete without damage to existing RC (reinforced concrete). Among deteriorating agents, chloride ion is considered as one of the most critical threats due to rapid penetration and direct effect on steel corrosion. …”
    Get full text
    Article
  4. 384

    The Coupled Effect of Temperature and Carbonation on the Corrosion of Rebars in the Simulated Concrete Pore Solutions by Jiezhen Hu, Xuequn Cheng, Xiaogang Li, Peichang Deng, Gui Wang

    Published 2015-01-01
    “…The reinforced concrete structures have to survive high temperature and carbonation at low latitude region. …”
    Get full text
    Article
  5. 385

    Experimental Study on Structural Performance of RC Exterior Beam-Column Joints Retrofitted by Steel Jacketing and Haunch Element under Cyclic Loading Simulating Earthquake Excitati... by Cong-Thuat Dang, Ngoc-Hieu Dinh

    Published 2017-01-01
    “…Several retrofitting methods for reinforced concrete (RC) beam-column joints in old buildings without seismic details were developed. …”
    Get full text
    Article
  6. 386

    Experimental Study on Progressive Collapse Performance of Frame with Specially Shaped Columns Subjected to Middle Column Removal by Tiecheng Wang, Qingwei Chen, Hailong Zhao, Lei Zhang

    Published 2016-01-01
    “…A static collapse experiment was carried out to study the progressive collapse resistance and failure mechanisms and modes of a 1/3-scale, 2×3-bay, and 2-story reinforced concrete frame with specially shaped columns subjected to middle column removal. …”
    Get full text
    Article
  7. 387

    METHODS OF INCREASING THE PLASTIC PROPERTIES OF COLD-WORKED REINFORCEMENT by T. A. Akhmetov, V. A. Kharitonov, Yu. V. Kozyreva, A. V. Mazanik, L. V. Loktionova

    Published 2018-04-01
    “…Ductility or deformability is a complex characteristic of the reinforcement, which directly affects the safety of buildings and structures.From modern understanding point of view of the operation of reinforcement in reinforced concrete two characteristics are used for the ductility characteristics: the ratio of the time resistance to rupture to the yield point and the total relative elongation at maximum load ratio of tensile strength to yield strengthTraditional technologies allow to produce stable cold-formed reinforcement armature only of the ductility class «A». …”
    Get full text
    Article
  8. 388

    Electrical Resistivity of Concrete for Durability Evaluation: A Review by Pejman Azarsa, Rishi Gupta

    Published 2017-01-01
    “…Degradation processes in reinforced concrete structures that affect durability are partially controlled by transport of aggressive ions through the concrete microstructure. …”
    Get full text
    Article
  9. 389

    Chloride Penetration in Coastal Concrete Structures: Field Investigation and Model Development by Weidong Zhuo, Quanzhe Yan, Zhengxian Yang, Shaohong Lin, Kaiqi Lin, Fuqiang He

    Published 2019-01-01
    “…Field measurements of 42 in-service reinforced concrete bridges in coastal environments of Southeast China, covering a wide range of service year, span length, and concrete mixture, were carried out to investigate the chloride penetration. 323 sets of chloride measurement data were collected in total and then analysed to optimize the parameters involved in the common chloride diffusion model derived based on Fick’s second law. …”
    Get full text
    Article
  10. 390

    Seismic Behavior of Short Concrete Columns with Prestressing Steel Wires by Deng Zong-Cai, Jumbe R. Daud, Li Hui

    Published 2014-01-01
    “…The seismic behavior of short circular reinforced concrete columns was studied by testing seven columns retrofitted with prestressing steel wire (PSW), subjected to combined constant axial compression and lateral cyclic load. …”
    Get full text
    Article
  11. 391

    Seismic Behavior of Nonductile RC Frame Slotted with Corrugated Steel Plate Shear Walls by Ningning Feng, Changsheng Wu

    Published 2021-01-01
    “…Two specimens of nonductile reinforced concrete (RC) frame (ND-1) and nonductile RC frame retrofitted by corrugated steel plate shear walls slotted with columns (ND-2) are established by finite element. …”
    Get full text
    Article
  12. 392

    Behavior of Reinforced Composite Foamed-Normal Concrete Beams by Angham Nassar Jaffal, Ameer A. Hilal, Akram S. Mahmoud

    Published 2023-01-01
    “…In the case of the over-reinforcement beams, the ductility of foamed concrete beam increased by about 19.5% compared to that of normal reinforced concrete. In addition, the ductility and stiffness of composite concrete beams increased by about 91.7% and 5.6% compared to normal beams and 61% and 15.1% compared to foamed concrete beams, respectively.…”
    Get full text
    Article
  13. 393

    Reliability-Based Analysis of Recycled Aggregate Concrete under Carbonation by Flora Faleschini, Mariano Angelo Zanini, Lorenzo Hofer

    Published 2018-01-01
    “…Durability represents a crucial issue for evaluating safety and serviceability of reinforced concrete structures. Many studies have already focused on carbonation-induced corrosion of natural aggregate concrete (NAC) structures, leading to several prediction models to estimate carbonation depth. …”
    Get full text
    Article
  14. 394

    Influence of Concrete Compressive Strength on CFRP Strengthening and Repairing of RC Two-Way Slabs by Mohammed F. Ojaimi, Meyyada Y. Alabdulhady, Kadhim Z. Naser

    Published 2024-01-01
    “…In this research, the feasibility of strengthening and repairing two-way reinforced concrete slabs and the effect of compressive strength on the properties of strengthened and repaired slabs using CFRP sheets were studied. …”
    Get full text
    Article
  15. 395

    Dynamic Performance of Concrete Considering Initial Stresses and Creep by S. Yu. Savin, M. Z. Sharipov

    Published 2024-09-01
    “…In accidental design situations, the loading mode of reinforced concrete structures includes two typical stages such as long-term deformation under constant or slowly varying load and dynamic impact. …”
    Get full text
    Article
  16. 396

    Assessment of Design and Retrofitting Solutions on the Progressive Collapse of Hongqi Bridge by Amir Seyed Khoei, Reza Akbari, Shahrokh Maalek, Alireza Gharighoran

    Published 2020-01-01
    “…In 2009, the Hongqi Bridge, a multispan reinforced concrete bridge located in Zhuzhou, Hunan Province, China, collapsed progressively in the form of domino, due to extreme effect of deck to pier, during demolition process of the bridge. …”
    Get full text
    Article
  17. 397

    Image Processing-Based Spall Object Detection Using Gabor Filter, Texture Analysis, and Adaptive Moment Estimation (Adam) Optimized Logistic Regression Models by Nhat-Duc Hoang

    Published 2020-01-01
    “…This study aims at proposing a computer vision model for automatic recognition of localized spall objects appearing on surfaces of reinforced concrete elements. The new model is an integration of image processing techniques and machine learning approaches. …”
    Get full text
    Article
  18. 398

    Study on the Composite Structure of Aluminum Foam-Filled Thin-Walled Metal Tube to Reduce the Charge Overload inside the Projectile during the Penetration Process by Fudi Liang, Zengyou Liang, Dezhi Deng

    Published 2020-01-01
    “…During the experiment on the high-speed projectile penetrating reinforced concrete target, the acceleration curve of the charge and the projectile body were obtained. …”
    Get full text
    Article
  19. 399

    Modified Modal Pushover Design for Asymmetric-Plan RC Shear-Wall Structures by Mohammad Sadegh Birzhandi, Daniyal Mirzakhani

    Published 2023-01-01
    “…The goal of this research is to provide a new method for designing reinforced concrete wall structures with a one-way asymmetric plan. …”
    Get full text
    Article
  20. 400

    Numerical Investigation of Fracture Behavior for Glass Fiber Composite Concretes by Meryem Charef, Nabil Kazi Tani, Ahmed Soufiane Benosman, Hasan Dilbas

    Published 2024-12-01
    “…Accordingly, this comprehensive and computational research is conducted to investigate the fracture behavior of notched glass fiber reinforced concrete beam modeled with finite element method. …”
    Get full text
    Article